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Thermal Expansion - The Physics Hypertextbook
Thermal expansion is a small, but not always insignificant effect. Typical coefficients are measured in parts per million per kelvin (10−6/K). ... classroom meter stick never varies in length by more than a 100 µm in its entire lifetime — probably never more than 10 µm while students are using it. ... PV, = nRT, idealgas law ... |
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It is a subset of our knowledge about macroscopic objects, i.e. objects which ... a is called the average coefficient of linear expansion; DT = T - T0 is the change in temperature ... g = 2a. b = 3a. if the object is made up of a material that is isotropic . Proof ... A very important and simple equation of state is the one for ideal gas... |
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Thermal expansion: Definition from Answers.com
Otherwise, there may be different expansion coefficients and the solid will change ... If the material is a fluid, it is more useful to describe the expansion in terms of a ... ... For an ideal gas, the volumetric thermal expansion (i.e., relative change in ... when placed in a heat bath will initially show the column of liquid in the s... |
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An ideal gas is then said to be one for which the empirical relations, (p/r)=f(T) ... for it. To describe phases, consider the coefficient of thermal expansion and the ... |
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Thermal Expansion for an Ideal Gas - Physics Forums
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Read Complete Definition of Thermal Expansion | Transtutors
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The coefficient of thermal expansion of the top part of the plate is less than the bottom ... Which of the following temperature scales doesn't have negative numbers? ... The state of an ideal gas was changed three times at three different temperatures. ... The gas is compressed isothermally to one-fourth of its original volume. |
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Solids, Liquids, Thermometers, Ideal Gas Temperature Scale
The subscript, T, on the lower case Greek letter kappa is to ... is called the coefficient of thermal expansion (or sometimes just the expansion coefficient). ... to show that the isothermal compressibility for an ideal gas is 1/p). |
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The coefficient of linear expansion of a given material, for example a bar of copper, ... Of course, might vary with temperature (it does for water, as we just ... The ideal gas is one for which for all temperatures, so helium is close to ... ( Exercise: prove from this that the coefficient of volume expansion of a gas ... |